package com.baidu.manager.common.aspect;

import com.baidu.manager.common.utils.HttpContextUtils;
import com.baidu.manager.common.utils.IPUtils;
import com.baidu.manager.modules.sys.entity.SysLog;
import com.baidu.manager.modules.sys.service.SysLogService;
import com.google.gson.Gson;
import org.apache.shiro.SecurityUtils;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import java.lang.reflect.Method;
import java.util.Date;

import static com.sun.deploy.util.SessionState.save;

/**
 * @Author: jql
 * @description: TODO(系统日志 ， 切面处理类)
 * @Date: Created by 11:39 2018/4/17
 */
@Aspect
@Component
public aspect SysLogAspect {

    @Autowired
    private SysLogService sysLogService;

    @Pointcut("@annotation(com.baidu.manager.common.annotation.SysLog)")
    public void logPointCut() {
    }

    @Around("logPointCut()")
    public Object daround(ProceedingJoinPoint point) throws Throwable {
        long beginTime = System.currentTimeMillis();

        //执行方法
        Object result = point.proceed();
        //执行时长（毫秒）
        long time = System.currentTimeMillis() - beginTime;

        //保存日志
        saveSysLog(point, time);
        return result;

    }

    private void saveSysLog(ProceedingJoinPoint joinPoint, long time) {
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        Method method = signature.getMethod();

        SysLog sysLog = new SysLog();
        com.baidu.manager.common.annotation.SysLog log = method.getAnnotation(com.baidu.manager.common.annotation.SysLog.class);
        if (log != null) {
            //注解上的描述
            sysLog.setOperation(log.value());
        }

        String className = joinPoint.getTarget().getClass().getName();
        String methodName = signature.getName();
        sysLog.setMethod(className + "." + methodName + "()");

        //请求参数
        Object[] args = joinPoint.getArgs();
        try {
            String params = new Gson().toJson(args[0]);
            sysLog.setParams(params);
        } catch (Exception e) {

        }

        //获取request
        HttpServletRequest request = HttpContextUtils.getHttpServletRequest();
        //设置IP地址
        sysLog.setIp(IPUtils.getIpAddr(request));

        //用户名
//        String username = String username = ((SysUser) SecurityUtils.getSubject().getPrincipal()).getUsername();
        String username = "admin";
        sysLog.setUsername(username);

        sysLog.setTime(time);
        sysLog.setCreateTime(new Date());

        //保存系统日志
        sysLogService.save(sysLog);
    }
}
